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In reply to the discussion: Why I don't want to have children. [View all]HereSince1628
(36,063 posts)so I had only 2 children. A few years after their births it became apparent that cancer had a genetic pattern on their mothers side. It took a while but thanks to the wonders of modern molecular methods we know there ixs an awful BRCA plus variant that came through from their maternal grandfather and plagues the lineage.
My daughter is a carrier, and she refused to have children, she's now got menopause in her sights. So, it looks like she will achieve her desired result. My son also a carrier, and his wife decided to have one child. By chance that kid doesn't carry it.
I write this only to say, there are many reasons for choosing to limit family size even down to choosing no children. As it turned out awareness of cancer promoting genes turned out to have stronger influence on my descendants than my interest in population control and the environment.